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wolram
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This is an old paper but at least it is a start for a discussion on the affordability of interstellar
travel.
http://www.andrews-space.com/images/videos/PAPERS/Pub-InterstellarTransportation(200307).pdf
If one uses some marker for a nations, or a group of nations wealth, will interstellar space flight ever be affordable in 100, 200 yrs time.
All this is assuming we have some pay back or need for interstellar travel.
travel.
http://www.andrews-space.com/images/videos/PAPERS/Pub-InterstellarTransportation(200307).pdf
If one uses some marker for a nations, or a group of nations wealth, will interstellar space flight ever be affordable in 100, 200 yrs time.
All this is assuming we have some pay back or need for interstellar travel.
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